Fractine

D&D 2024 monster: Fractine. Source: Monstrous Compendium Volume 1: Spelljammer Creatures. challenge rating 9, creature type Construct, Large size, speed 0 ft... I've encountered a creature unlike any other in the multiverse: a flickering mirror tumbling across the Astral Sea toward some unknown destination, with a beholder's distorted reflection in its surface. Initially, I feared it was some kind of vessel. Now I believe the beholder was the mirror's prisoner. As the flickering mirror approached me, I grew fearful. Would it imprison me as well? Luckily, it didn't. As it hovered next to me, I felt a curious tingling sensation. When I tried to touch it, the mirror withdrew slightly, as though it feared some harm might befall it or me. I remember casting a spell or two, hoping to communicate with the creature. A few seconds later, it stopped flickering and flew away. I think it feeds on magical energy. This entity has piqued my curiosity. I must learn more. To the library at Starhold! A fractine is a bizarre, two-dimensional creature that flies through Wildspace and the Astral Sea, folding and refolding like a piece of origami. When it encounters another creature, it flattens into a plane that resembles a trapezoidal mirror between 9 and 13 feet tall. Astral explorers who have encountered fractines attest that the creatures are intelligent and often allow themselves to be used as scrying sensors, their reflective surfaces substituting for the mirror needed to cast certain divination spells. While being used in this way, the fractine siphons magical energy from the spellcaster-not enough to cause harm, but enough to make the caster take notice. A fractine needs light and magical energy to survive. It can draw sustenance from a nearby light source, spellcaster, magic item, or magical effect without causing harm to anyone or anything. A fractine that doesn't consume light or magical energy for ten days begins to flicker. A day later, it folds in on itself and self-des...